Review of Allied Princess

Basic specs.

The Allied Princess is a sailboat.

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Keel

Unknown keel type

The boat can enter even shallow marinas as the draft is just about 1.37 - 1.47 meter (4.49 - 4.79 ft) dependent on the load.

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.0 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Allied Princess is 309 which categorizes this boat among 'medium weight cruisers'.

27% of all similar sailboat designs are categorized as heavier. A heavy displacement combined with smaller water plane area has lower acceleration and is more comfortable.

SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Allied Princess with ISO 8666 reference sail is 13.8, with a 135% genua the SA/D is 16.2.

The SA/D ratio indicates that it is faster than 15% of all similar sailboat designs in light wind.

Maintenance

Rig

Dimensions of sail.

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

**Guiding dimensions of running rig**
Usage	Length		Diameter
Mainsail halyard	28.7 m	(94.2 feet)	12 mm	(1/2 inch)
Jib/genoa halyard	28.7 m	(94.2 feet)	12 mm	(1/2 inch)
Spinnaker halyard	28.7 m	(94.2 feet)	12 mm	(1/2 inch)
Jib sheet	11.0 m	(36.0 feet)	14 mm	(0.55 inch)
Genoa sheet	11.0 m	(36.0 feet)	14 mm	(0.55 inch)
Mainsheet	27.4 m	(90.0 feet)	14 mm	(0.55 inch)
Spinnaker sheet	24.1 m	(79.2 feet)	14 mm	(0.55 inch)
Cunningham	4.3 m	(14.0 feet)	12 mm	(1/2 inch)
Kickingstrap	8.5 m	(28.0 feet)	12 mm	(1/2 inch)
Clew-outhaul	8.5 m	(28.0 feet)	12 mm	(1/2 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Finally

We are always looking for new photos. If you can contribute with photos for Allied Princess it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.

References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.